Advertising Disclosure

Best window insulation kits - May 2026

Last Updated - May 19, 2026

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

AGHITG

AGHITG Reflective Insulation Foam,48" x 10 Ft Window Insulation for Summer Heat,Aluminum Foil Bubble Insulation Roll for Keep Heat,Window Insulation Kit for RV, Thermal Insulation Cover for Window.

AGHITG

$28.99

More Details
Main highlights
- WIDE APPLICATION:Summer use Windows to block UV rays can insulate, RV window coverings, winter use to keep heat inside, use windows, attics, garage doors, walls, floor,around fireplaces, radiator reflector,etc
- TEMPETURE PROTECTION: Double aluminum foil and bubble layer has good sealing performance,window insulation for summer heat to stay cool in summer, avoid heat loss to stops winter cold,protect privacy
- PREMIUM MATERIAL:Window sun blocker is made of double side alumium foil and air bubble layer. The surface circle design can improve the heat reflectivity for sun protection, garege insulation kit, heat insulation
- BRAND PROMISE:AGHITG hope your life will be more better because of our products. We are committed to providing customers with the best product experience
- AlUMINUM REFLECTIVE INSULATION ROLL SIZE: 48''(W) x 10Ft (L), Easy to cut that can cater to all your home or RV window sizes, sturdy and lightweight. Easy Install With Adhesive Adop
$28.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

AGHITG

AGHITG Reflective Insulation Foam,48" x 10 Ft Window Insulation for Summer Heat,Aluminum Foil Bubble Insulation Roll for Keep Heat,Window Insulation Kit for RV, Thermal Insulation Cover for Window.

AGHITG

$28.99

More Details
Main highlights
- WIDE APPLICATION:Summer use Windows to block UV rays can insulate, RV window coverings, winter use to keep heat inside, use windows, attics, garage doors, walls, floor,around fireplaces, radiator reflector,etc
- TEMPETURE PROTECTION: Double aluminum foil and bubble layer has good sealing performance,window insulation for summer heat to stay cool in summer, avoid heat loss to stops winter cold,protect privacy
- PREMIUM MATERIAL:Window sun blocker is made of double side alumium foil and air bubble layer. The surface circle design can improve the heat reflectivity for sun protection, garege insulation kit, heat insulation
- BRAND PROMISE:AGHITG hope your life will be more better because of our products. We are committed to providing customers with the best product experience
- AlUMINUM REFLECTIVE INSULATION ROLL SIZE: 48''(W) x 10Ft (L), Easy to cut that can cater to all your home or RV window sizes, sturdy and lightweight. Easy Install With Adhesive Adop
$28.99
3
Best Value
17% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Duck
17% Off

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 5 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 210 In., Clear

Duck

$18.99

$22.99
(17% Off)

More Details
Main highlights
- Window Kit includes 1, 62" x 210" roll of shrink film and 1, 0.5" x 84' foot roll of tape; Can insulate up to 5 standard sized 3' x 5' windows
- Tools needed: scissors and hair dryer. For best results apply window films indoors on clean and dry surfaces, including painted or finished wood, aluminum or vinyl
- Save on energy costs during cold weather months. Duck Max Strength shrink window film is puncture-resistant and two times thicker than standard window kits to create an airtight seal inside your home to block drafts and cold weather
- Easy-to-install roll of shrink film means no measuring needed - once applied, cut film to size
- After installation, crystal clear and transparent window film is easy to see through. Once season is over, the window kit removes easily
$18.99
$22.99 (17% Off)
4
17% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Frost King
17% Off

Frost King V73/9H Indoor Shrink Window Kit 42 62-Inch, Clear, 9-Pack

Frost King

$12.38

$14.83
(17% Off)

More Details
Main highlights
- This product is manufactured in China
- This product adds a great value
- Product is highly durable and very easy to use
- If you want to open your windows in the warmer months, you'll need to take it off. Otherwise, sunlight and normal stress can also make the tape fail eventually. For a good seal, it's probably best to re-apply them every year.
$12.38
$14.83 (17% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Duck

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 10 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 420 In., Clear

Duck

$26.68

More Details
Main highlights
- Window Kit includes 2, 62" x 210" roll of shrink film and 2, 0.5" x 54' foot rolls of tape; Can insulate up to 10 standard sized 3' x 5' windows
- Tools needed: scissors and hair dryer. For best results apply window films indoors on clean and dry surfaces, including painted or finished wood, aluminum or vinyl
- Save on energy costs during cold weather months. Duck Max Strength shrink window film is puncture-resistant and two times thicker than standard window kits to create an airtight seal inside your home to block drafts and cold weather
- Easy-to-install roll of shrink film means no measuring needed - once applied, cut film to size
- After installation, crystal clear and transparent window film is easy to see through. Once season is over, the window kit removes easily
$26.68

Best window insulation kits - May 2026

AGHITG Reflective Insulation Foam,48" x 10 Ft Window Insulation for Summer Heat,Aluminum Foil Bubble Insulation Roll for Keep Heat,Window Insulation Kit for RV, Thermal Insulation Cover for Window.

AGHITG Reflective Insulation Foam,48" x 10 Ft Window Insulation for Summer Heat,Aluminum Foil Bubble Insulation Roll for Keep Heat,Window Insulation Kit for RV, Thermal Insulation Cover for Window.

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 5 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 210 In., Clear

Frost King V73/9H Indoor Shrink Window Kit 42 62-Inch, Clear, 9-Pack

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 10 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 420 In., Clear

You may also like...

Duck Brand Winter Window Insulation Kit – Window Seal Rolled Shrink Film Covers Up to 15 3’ x 5’ Windows – Window Tape Included – Easy Indoor Installation - Clear - 15-Pack (288069)

Duck Brand Window Insulation Kit - Winter Seal Kit Fits up to 10 Windows - Rolled Shrink Film Cuts to Size for Easy Indoor Installation - Tape Included - 62 in. by 420 in.- Clear

Duck Brand Indoor 5-Window Shrink Film Insulator Kit, 62-Inch x 210-Inch, 286217

Window Insulation Kit, 63 × 394 Inch Plastic Window Coverings for Winter, Thicken Window Shrink Film Insulator Kit Windows Waterproof Winterizing with 5 Double-Sided Tape for 10 Pcs 3 x 5 Ft Windows

3M Indoor Window Insulation, Insulator Kit for 3 Windows 3ft x 5ft, Keeps Cold Air Out and Warm Air In, Includes Heat Shrink Window Film and Scotch Window Film Mounting Tape (2130W-6)

Frost King V76H Shrink Window Kit 84-Inch by 110-Inch, Clear

3M Indoor Window Insulation, Insulator Kit for 5 Windows 3ft x 5ft, Keeps Cold Air Out and Warm Air In, Includes Heat Shrink Window Film and Scotch Window Film Mounting Tape (2141W-6)

XFasten Transparent Window Weather Sealing Tape, 2-Inch x 30 Yards (50.8mm x 27.43m), Clear Window Draft Isolation Sealing Film Tape, No Residue

Window Insulation Kit for Winter,Plastic Shrink Film Indoor Thermal Seal to Block Drafts, Cold Air for Windows and Patio Doors,3-Pack(42"W x 62"T)

Fonsbleaudy 3-Window Shrink Film Window Insulation kit（62-Inch x 126-Inch），Insulating Film Window Kit Keeps Cold Air Out and Warm Air in (3 Windows)

Sign up and get exclusive special deals